{"product_id":"hex-head-cap-screws-grade-8-steel-plain-5-16-18-x-4-1-2_3172ch8pbb","title":"[300 BULK] Hex Head Cap Screws Grade 8 Steel Plain  5\/16-18 x 4-1\/2","description":"\u003cdiv\u003e\n\u003cp\u003eOur Hex Head Cap Screws Grade 8 Steel Plain, 5\/16-18 x 4-1\/2, deliver exceptional strength and reliability for demanding fastener applications. Built from Grade 8 steel, these screws provide high tensile strength and are ideal for heavy equipment, machinery, and structural assemblies where a secure, long-lasting joint is essential.\u003c\/p\u003e \u003ch4\u003eKey specifications\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize and thread:\u003c\/b\u003e 5\/16-18 UNC (coarse thread)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 4-1\/2 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Grade 8 steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Plain (uncoated)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead type:\u003c\/b\u003e Hex head\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e External hex drive\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Suitable for high-strength fastening in automotive, industrial, and machinery applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose these Grade 8 plain hex head cap screws? They combine superior strength with reliable performance in dry, clean environments. When pairing with compatible Grade 8 nuts and suitable washers, they provide strong clamping force and durable joints. For best results, ensure the fastener length fully engages the host material and use proper tightening practices.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50348989481239,"sku":"3172CH8PBB","price":111.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/hex_cap_screw_plain_steel1_8f09d009-8cb3-4c8a-ba64-39278265de98.gif?v=1744977389","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-8-steel-plain-5-16-18-x-4-1-2_3172ch8pbb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}